version 1.85, 2007/09/25 23:16:13
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version 1.97, 2008/12/19 14:28:14
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# |
# The LearningOnline Network with CAPA |
# The LearningOnline Network with CAPA |
# image click response style |
# image click response style |
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# |
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#FIXME LATER assumes multiple possible submissions but only one is possible |
#FIXME LATER assumes multiple possible submissions but only one is possible |
#currently |
#currently |
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=head1 NAME |
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Apache::imageresponse |
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=head1 SYNOPSIS |
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Coordinates the response to clicking an image. |
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This is part of the LearningOnline Network with CAPA project |
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described at http://www.lon-capa.org. |
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=head1 SUBROUTINES |
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=over |
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=item start_imageresponse() |
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=item end_imageresponse() |
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=item start_foilgroup() |
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=item getfoilcounts() |
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=item whichfoils() |
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=item prep_image() |
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=item draw_image() |
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=item displayfoils() |
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=item format_prior_response() |
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=item display_answers() |
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=item clean_up_image() |
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=item gradefoils() |
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=item stringify_submission() |
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=item get_submission() |
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=item end_foilgroup() |
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=item start_conceptgroup() |
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=item end_conceptgroup() |
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=item insert_foil() |
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=item start_foil() |
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=item end_foil() |
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=item start_text() |
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=item end_text() |
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=item start_image() |
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=item end_image() |
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=item start_rectangle() |
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=item grade_rectangle() |
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=item end_rectangle() |
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=item start_polygon() |
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=item grade_polygon() |
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=item end_polygon() |
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=back |
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=cut |
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package Apache::imageresponse; |
package Apache::imageresponse; |
use strict; |
use strict; |
use Image::Magick(); |
use Image::Magick(); |
Line 59 sub start_imageresponse {
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Line 140 sub start_imageresponse {
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$result=&Apache::response::meta_package_write('imageresponse'); |
$result=&Apache::response::meta_package_write('imageresponse'); |
} elsif ($target eq 'analyze') { |
} elsif ($target eq 'analyze') { |
my $part_id="$Apache::inputtags::part.$id"; |
my $part_id="$Apache::inputtags::part.$id"; |
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$Apache::lonhomework::analyze{"$part_id.type"} = 'imageresponse'; |
push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); |
push (@{ $Apache::lonhomework::analyze{"parts"} },$part_id); |
push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, |
push (@{ $Apache::lonhomework::analyze{"$part_id.bubble_lines"} }, |
1); |
1); |
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} elsif ( $target eq 'edit' ) { |
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$result .= &Apache::edit::tag_start($target,$token). |
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&Apache::edit::text_arg('Max Number Of Shown Foils:', |
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'max',$token,'4'). |
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&Apache::edit::end_row(). |
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&Apache::edit::start_spanning_row(); |
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} elsif ( $target eq 'modified' ) { |
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my $constructtag= |
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&Apache::edit::get_new_args($token,$parstack,$safeeval,'max'); |
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if ($constructtag) { $result = &Apache::edit::rebuild_tag($token); } |
} |
} |
return $result; |
return $result; |
} |
} |
Line 69 sub start_imageresponse {
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Line 161 sub start_imageresponse {
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sub end_imageresponse { |
sub end_imageresponse { |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
my ($target,$token,$tagstack,$parstack,$parser,$safeeval,$style)=@_; |
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my $part_id = $Apache::inputtags::part; |
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my $response_id = $Apache::inputtags::response[-1]; |
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pop(@Apache::lonxml::namespace); |
pop(@Apache::lonxml::namespace); |
&Apache::lonxml::deregister('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup')); |
&Apache::lonxml::deregister('Apache::imageresponse',('foilgroup','foil','text','image','rectangle','conceptgroup')); |
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Line 84 sub end_imageresponse {
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Line 179 sub end_imageresponse {
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if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || |
if ($target eq 'grade' || $target eq 'web' || $target eq 'answer' || |
$target eq 'tex' || $target eq 'analyze') { |
$target eq 'tex' || $target eq 'analyze') { |
&Apache::lonxml::increment_counter(&Apache::response::repetition()); |
&Apache::lonxml::increment_counter(&Apache::response::repetition(), |
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"$part_id.$response_id"); |
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if ($target eq 'analyze') { |
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&Apache::lonhomework::set_bubble_lines(); |
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} |
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} |
} |
&Apache::response::end_response(); |
&Apache::response::end_response(); |
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Line 105 sub getfoilcounts {
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Line 205 sub getfoilcounts {
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my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2'); |
my $max = &Apache::lonxml::get_param('max',$parstack,$safeeval,'-2'); |
# +1 since instructors will count from 1 |
# +1 since instructors will count from 1 |
my $count = $#{ $Apache::response::foilgroup{'names'} }+1; |
my $count = $#{ $Apache::response::foilgroup{'names'} }+1; |
#if (&Apache::response::showallfoils()) { $max=$count; } |
if (&Apache::response::showallfoils()) { $max=$count; } |
return ($count,$max); |
return ($count,$max); |
} |
} |
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sub whichfoils { |
sub whichfoils { |
my ($max)=@_; |
my ($max)=@_; |
if (!defined(@{ $Apache::response::foilgroup{'names'} })) { return; } |
return if (!defined(@{ $Apache::response::foilgroup{'names'} })); |
my @names = @{ $Apache::response::foilgroup{'names'} }; |
my @names = @{ $Apache::response::foilgroup{'names'} }; |
my @whichopt =(); |
my @whichopt; |
while ((($#whichopt+1) < $max) && ($#names > -1)) { |
while ((($#whichopt+1) < $max) && ($#names > -1)) { |
&Apache::lonxml::debug("Have $#whichopt max is $max"); |
&Apache::lonxml::debug("Have $#whichopt max is $max"); |
my $aopt; |
my $aopt; |
# if (&Apache::response::showallfoils()) { |
if (&Apache::response::showallfoils()) { |
# $aopt=0; |
$aopt=0; |
# } else { |
} else { |
$aopt=int(&Math::Random::random_uniform() * ($#names+1)); |
$aopt=int(&Math::Random::random_uniform() * ($#names+1)); |
# } |
} |
&Apache::lonxml::debug("From $#names elms, picking $aopt"); |
&Apache::lonxml::debug("From $#names elms, picking $aopt"); |
$aopt=splice(@names,$aopt,1); |
$aopt=splice(@names,$aopt,1); |
&Apache::lonxml::debug("Picked $aopt"); |
&Apache::lonxml::debug("Picked $aopt"); |
push (@whichopt,$aopt); |
push(@whichopt,$aopt); |
} |
} |
return @whichopt; |
return @whichopt; |
} |
} |
Line 204 sub draw_image {
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Line 304 sub draw_image {
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} |
} |
} |
} |
} |
} |
&Apache::lonnet::appenv(%x); |
&Apache::lonnet::appenv(\%x); |
return $id; |
return $id; |
} |
} |
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Line 219 sub displayfoils {
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Line 319 sub displayfoils {
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if ($target eq 'tex') {$result.="\\vskip 0 mm \n";} else {$result.="<br />\n";} |
if ($target eq 'tex') {$result.="\\vskip 0 mm \n";} else {$result.="<br />\n";} |
my $image=$Apache::response::foilgroup{"$name.image"}; |
my $image=$Apache::response::foilgroup{"$name.image"}; |
&Apache::lonxml::debug("image is $image"); |
&Apache::lonxml::debug("image is $image"); |
if ( $target eq 'web' && $image !~ /^http:/ ) { |
if ( ($target eq 'web' || $target eq 'answer') |
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&& $image !~ /^https?\:/ ) { |
$image=&clean_up_image($image); |
$image=&clean_up_image($image); |
} |
} |
push(@images,$image); |
push(@images,$image); |
Line 237 sub displayfoils {
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Line 338 sub displayfoils {
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} else { |
} else { |
my $respid=$Apache::inputtags::response['-1']; |
my $respid=$Apache::inputtags::response['-1']; |
my $token=&prep_image($image,'submission',$name); |
my $token=&prep_image($image,'submission',$name); |
my $id = "HWVAL_$respid:$temp"; |
my $input_id = "HWVAL_$respid:$temp"; |
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my $id = $env{'form.request.prefix'}.$input_id; |
$result.='<img onclick="image_response_click(\''.$id.'\',event);" |
$result.='<img onclick="image_response_click(\''.$id.'\',event);" |
src="/adm/randomlabel.png?token='.$token.'" |
src="/adm/randomlabel.png?token='.$token.'" |
id="imageresponse_'.$id.'" |
id="'.$id.'_imageresponse" |
/>'. |
/>'. |
'<br />'. |
'<br />'. |
'<input type="hidden" name="token_'.$id.'" value="'.$token.'" />'. |
'<input type="hidden" name="'.$input_id.'_token" value="'.$token.'" />'. |
'<input type="hidden" name="'.$id.'" value="'. |
'<input type="hidden" name="'.$input_id.'" value="'. |
join(':',&get_submission($name)).'" />'; |
join(':',&get_submission($name)).'" />'; |
} |
} |
} |
} |
Line 279 sub format_prior_response {
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Line 381 sub format_prior_response {
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sub display_answers { |
sub display_answers { |
my ($target,$whichopt)=@_; |
my ($target,$whichopt)=@_; |
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my $result; |
my $result=&Apache::response::answer_header('imageresponse'); |
foreach my $name (@$whichopt) { |
foreach my $name (@$whichopt) { |
my $image=$Apache::response::foilgroup{"$name.image"}; |
my $image=$Apache::response::foilgroup{"$name.image"}; |
&Apache::lonxml::debug("image is $image"); |
&Apache::lonxml::debug("image is $image"); |
if ( $target eq 'web' && $image !~ /^http:/ ) { |
if ( ($target eq 'web' || $target eq 'answer') |
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&& $image !~ /^https?\:/ ) { |
$image = &clean_up_image($image); |
$image = &clean_up_image($image); |
} |
} |
my $token=&prep_image($image,'answeronly',$name); |
my $token=&prep_image($image,'answeronly',$name); |
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$result.=&Apache::response::answer_header('imageresponse'); |
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$result.=&Apache::response::answer_part('imageresponse',"<img src=\"/adm/randomlabel.png?token=$token\" /><br />\n"); |
$result.=&Apache::response::answer_part('imageresponse',"<img src=\"/adm/randomlabel.png?token=$token\" /><br />\n"); |
$result.=&Apache::response::answer_footer('imageresponse'); |
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} |
} |
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$result.=&Apache::response::answer_footer('imageresponse'); |
return $result; |
return $result; |
} |
} |
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Line 299 sub clean_up_image {
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Line 401 sub clean_up_image {
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my ($image)=@_; |
my ($image)=@_; |
if ($image =~ /\s*<img\s*/) { |
if ($image =~ /\s*<img\s*/) { |
($image) = ($image =~ /src\s*=\s*[\"\']([^\"\']+)[\"\']/i); |
($image) = ($image =~ /src\s*=\s*[\"\']([^\"\']+)[\"\']/i); |
if ($image !~ /^http:/) { |
if ($image !~ /^https?\:/) { |
$image=&Apache::lonnet::hreflocation('',$image); |
$image=&Apache::lonnet::hreflocation('',$image); |
} |
} |
if (!$image) { |
if (!$image) { |
Line 346 sub gradefoils {
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Line 448 sub gradefoils {
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} elsif ($1 eq 'polygon') { |
} elsif ($1 eq 'polygon') { |
$grade=&grade_polygon($area,$x,$y); |
$grade=&grade_polygon($area,$x,$y); |
} else { |
} else { |
&Apache::lonxml::error("Unknown area style $area"); |
&Apache::lonxml::error(&mt('Unknown area style [_1]',$area)); |
} |
} |
&Apache::lonxml::debug("Area said $grade"); |
&Apache::lonxml::debug("Area said $grade"); |
if ($grade eq 'APPROX_ANS') { last; } |
if ($grade eq 'APPROX_ANS') { last; } |
Line 376 sub gradefoils {
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Line 478 sub gradefoils {
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sub stringify_submission { |
sub stringify_submission { |
my ($response) = @_; |
my ($response) = @_; |
return |
return &Apache::lonnet::hash2str(%{ $response }); |
join("\0",map {$_."\1".$response->{$_}} (sort(keys(%{ $response })))); |
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} |
} |
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Line 391 sub get_submission {
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Line 493 sub get_submission {
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$Apache::lonhomework::history{"resource.$part.$respid.submission"}; |
$Apache::lonhomework::history{"resource.$part.$respid.submission"}; |
} |
} |
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if ($string !~ /\0/) { |
if ($string !~ /=/) { |
return split(':',$string); |
return split(':',$string); |
} else { |
} else { |
my %response = map { split("\1",$_,2) } (split("\0",$string)); |
my %response = &Apache::lonnet::str2hash($string); |
return split(':',$response{$name}); |
return split(':',$response{$name}); |
} |
} |
} |
} |
Line 473 sub start_foil {
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Line 575 sub start_foil {
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$target eq 'analyze' || $target eq 'answer') { |
$target eq 'analyze' || $target eq 'answer') { |
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); |
my $name = &Apache::lonxml::get_param('name',$parstack,$safeeval); |
if ($name eq "") { |
if ($name eq "") { |
&Apache::lonxml::warning("Foils without names exist. This can cause problems to malfunction."); |
&Apache::lonxml::warning(&mt('Foils without names exist. This can cause problems to malfunction.')); |
$name=$Apache::lonxml::curdepth; |
$name=$Apache::lonxml::curdepth; |
} |
} |
if (defined($Apache::response::foilnames{$name})) { |
if (defined($Apache::response::foilnames{$name})) { |
&Apache::lonxml::error(&mt("Foil name <b><tt>[_1]</tt></b> appears more than once. Foil names need to be unique.",$name)); |
&Apache::lonxml::error(&mt("Foil name [_1] appears more than once. Foil names need to be unique." |
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,'<b><tt>'.$name.'</tt></b>')); |
} |
} |
$Apache::response::foilnames{$name}++; |
$Apache::response::foilnames{$name}++; |
if ( $Apache::imageresponse::conceptgroup |
if ( $Apache::imageresponse::conceptgroup |
#&& !&Apache::response::showallfoils() |
&& !&Apache::response::showallfoils() |
) { |
) { |
push(@{ $Apache::response::conceptgroup{'names'} }, $name); |
push(@{ $Apache::response::conceptgroup{'names'} }, $name); |
} else { |
} else { |
Line 534 sub end_text {
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Line 637 sub end_text {
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|| $target eq 'answer') { |
|| $target eq 'answer') { |
my $name = $Apache::imageresponse::curname; |
my $name = $Apache::imageresponse::curname; |
if ( $Apache::imageresponse::conceptgroup |
if ( $Apache::imageresponse::conceptgroup |
#&& !&Apache::response::showallfoils() |
&& !&Apache::response::showallfoils() |
) { |
) { |
$Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection; |
$Apache::response::conceptgroup{"$name.text"} = &Apache::lonxml::endredirection; |
} else { |
} else { |
Line 577 sub end_image {
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Line 680 sub end_image {
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my $image = &Apache::lonxml::endredirection(); |
my $image = &Apache::lonxml::endredirection(); |
&Apache::lonxml::debug("original image is $image"); |
&Apache::lonxml::debug("original image is $image"); |
if ( $Apache::imageresponse::conceptgroup |
if ( $Apache::imageresponse::conceptgroup |
#&& !&Apache::response::showallfoils() |
&& !&Apache::response::showallfoils() |
) { |
) { |
$Apache::response::conceptgroup{"$name.image"} = $image; |
$Apache::response::conceptgroup{"$name.image"} = $image; |
} else { |
} else { |
Line 586 sub end_image {
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Line 689 sub end_image {
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} elsif ($target eq 'analyze') { |
} elsif ($target eq 'analyze') { |
my $image = &Apache::lonxml::endredirection(); |
my $image = &Apache::lonxml::endredirection(); |
if ( $Apache::imageresponse::conceptgroup |
if ( $Apache::imageresponse::conceptgroup |
#&& !&Apache::response::showallfoils() |
&& !&Apache::response::showallfoils() |
) { |
) { |
$Apache::response::conceptgroup{"$name.image"} = $image; |
$Apache::response::conceptgroup{"$name.image"} = $image; |
} else { |
} else { |
Line 666 sub end_rectangle {
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Line 769 sub end_rectangle {
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$area=~s/\s//g; |
$area=~s/\s//g; |
&Apache::lonxml::debug("out is $area for $name"); |
&Apache::lonxml::debug("out is $area for $name"); |
if ( $Apache::imageresponse::conceptgroup |
if ( $Apache::imageresponse::conceptgroup |
#&& !&Apache::response::showallfoils() |
&& !&Apache::response::showallfoils() |
) { |
) { |
push @{ $Apache::response::conceptgroup{"$name.area"} },"rectangle:$area"; |
push @{ $Apache::response::conceptgroup{"$name.area"} },"rectangle:$area"; |
} else { |
} else { |
Line 747 sub end_polygon {
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Line 850 sub end_polygon {
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$area=~s/\s*//g; |
$area=~s/\s*//g; |
&Apache::lonxml::debug("out is $area for $name"); |
&Apache::lonxml::debug("out is $area for $name"); |
if ( $Apache::imageresponse::conceptgroup |
if ( $Apache::imageresponse::conceptgroup |
#&& !&Apache::response::showallfoils() |
&& !&Apache::response::showallfoils() |
) { |
) { |
push @{ $Apache::response::conceptgroup{"$name.area"} },"polygon:$area"; |
push @{ $Apache::response::conceptgroup{"$name.area"} },"polygon:$area"; |
} else { |
} else { |